getresgid

GETRESUID(2)               Linux Programmer's Manual              GETRESUID(2)



NAME
       getresuid, getresgid - get real, effective and saved user or group ID

SYNOPSIS
       #include <unistd.h>

       int getresuid(uid_t *ruid, uid_t *euid, uid_t *suid);
       int getresgid(gid_t *rgid, gid_t *egid, gid_t *sgid);

DESCRIPTION
       getresuid and getresgid (both introduced in Linux 2.1.44) get the real,
       effective and saved user ID's (resp. group ID's) of  the  current  pro-
       cess.


RETURN VALUE
       On  success,  zero is returned.  On error, -1 is returned, and errno is
       set appropriately.

ERRORS
       EFAULT One of the arguments specified an address  outside  the  calling
              program's address space.

CONFORMING TO
       This call is Linux-specific.

SEE ALSO
       getuid(2), setuid(2), setreuid(2), setresuid(2)



Linux 2.1.44                      1997-07-16                      GETRESUID(2)